.zuo {
  width: 540px;
  height: 250px;
  float: left;
}
.zuo img {
  width: 95%;
  height: 100%;
  border-radius: 13px;
}
.you {
  float: left;
  width: 370px;
  height: 250px;
}
.s {
  height: 125px;
}
.s img {
  width: 100%;
  height: 93%;
  border-radius: 13px;
}
.x {
  height: 125px;
}
.x img {
  width: 100%;
  height: 100%;
  border-radius: 13px;
}
.shang{
  width: 910px;
  height: 250px;
}
.zhong{
  width: 900px;
}
.she{
  width: 900px;
}